NAICS 519290: Web Search Portals and All Other Information Services
This industry comprises establishments primarily engaged in operating Web sites that use a search engine to generate and maintain extensive databases of Internet addresses and content in an easily searchable format (and known as Web search portals) or providing other information services not elsewhere classified.  Establishments known as Web search portals often provide additional Internet services, such as email, connections to other Web sites, auctions, news, and other limited content.

Illustrative Examples:

News clipping services
Telephone-based recorded information services
Stock photo agencies
Web search portals 

ExioML sector: Printed matter and recorded media (22)
Region: US | Year: 2022
Sector value added: 101252.173354 M EUR | Employment: 359.12725278 thousand persons
Sector GHG emissions: 8762521777.57 kg CO2 eq | Energy carrier net total: 269198.419669 TJ | Carbon intensity: 0.08654156732946645

Company: Costar Group Inc
CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces.